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Rifles, Reloading, Optics, Equipment
Reloading
Quickload question
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<blockquote data-quote="crittergitter" data-source="post: 167428" data-attributes="member: 8098"><p><strong>7mm 300wm imp.</strong></p><p></p><p>I am definately getting great efficiency with my cartridge, but I got abnormally high velocities as a factory 7mm Rem Mag too. I think it is partly due to a loose bbl... haven't measured it, but it doesn't leave very deep land marks in the bullets I've recovered from wet phone books. Also, because I used a Wby reamer, I have a lot of freebore to play with. My OAL is near 7mm Ultra factory specs even with a 120 TSX.</p><p></p><p>If I had it to do over again, I would use a reamer that had a 300 wm length neck so that I could use 300 win brass. I didn't do my homework fully when I prepared for the project. I chambered it without pulling the bbl with a thread tap handle locked on to the reamer and some cutting fluid. It's amazing that I didn't totally screw it up!</p><p></p><p>Good luck with your project.</p></blockquote><p></p>
[QUOTE="crittergitter, post: 167428, member: 8098"] [b]7mm 300wm imp.[/b] I am definately getting great efficiency with my cartridge, but I got abnormally high velocities as a factory 7mm Rem Mag too. I think it is partly due to a loose bbl... haven't measured it, but it doesn't leave very deep land marks in the bullets I've recovered from wet phone books. Also, because I used a Wby reamer, I have a lot of freebore to play with. My OAL is near 7mm Ultra factory specs even with a 120 TSX. If I had it to do over again, I would use a reamer that had a 300 wm length neck so that I could use 300 win brass. I didn't do my homework fully when I prepared for the project. I chambered it without pulling the bbl with a thread tap handle locked on to the reamer and some cutting fluid. It's amazing that I didn't totally screw it up! Good luck with your project. [/QUOTE]
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Reloading
Quickload question
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